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org.ydp.jai
Class PNGImageDecoder  

java.lang.Object
  org.ydp.jai.ImageDecoderImpl
      org.ydp.jai.PNGImageDecoder

All Implemented Interfaces:

ImageDecoder

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public class PNGImageDecoder

extends ImageDecoderImpl

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Field Summary

 

Fields inherited from class org.ydp.jai.ImageDecoderImpl

input, param

 

Constructor Summary

PNGImageDecoder(java.io.InputStream input, PNGDecodeParam param)

 

Method Summary
java.awt.image.RenderedImage	decodeAsRenderedImage(int page)           Returns a RenderedImage that contains the decoded contents of the SeekableStream associated with this ImageDecoder.

 

Methods inherited from class org.ydp.jai.ImageDecoderImpl

decodeAsRaster, decodeAsRaster, decodeAsRenderedImage, getInputStream, getNumPages, getParam, setParam

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

PNGImageDecoder

public PNGImageDecoder(java.io.InputStream input,
                       PNGDecodeParam param)

Method Detail

decodeAsRenderedImage

public java.awt.image.RenderedImage decodeAsRenderedImage(int page)
                                                   throws java.io.IOException

Description copied from class: ImageDecoderImpl

Returns a RenderedImage that contains the decoded contents of the SeekableStream associated with this ImageDecoder. The given page of a multi-page image is decoded. If the page does not exist, an IOException will be thrown. Page numbering begins at zero.

Specified by:

decodeAsRenderedImage in interface ImageDecoder

Specified by:

decodeAsRenderedImage in class ImageDecoderImpl

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